Plate fin for a heat exchanger



FIG. 1 is a perspective view of a first embodiment of a first plate fin for a heat exchanger;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a sectional view taken along line 8—8 in FIG. 2;

FIG. 9 is an enlarged view taken along lines 9—9 and 9—9 in FIG. 8;

FIG. 10 is a perspective view of a second embodiment of a plate fin for a heat exchanger;

FIG. 11 is a front view thereof;

FIG. 12 is a rear view thereof;

FIG. 13 is a right side view thereof;

FIG. 14 is a left side view thereof;

FIG. 15 is a top plan view thereof;

FIG. 16 is a bottom view thereof;

FIG. 17 is a sectional view taken along line 17—17 in FIG. 11; and,

FIG. 18 is an enlarged view taken along lines 18—18 and 18—18 in FIG. 17. 

The ornamental design for a plate fin for a heat exchanger, as shown and described. 